133113311431 has 8 divisors (see below), whose sum is σ = 133727537664. Its totient is φ = 132499329720.

The previous prime is 133113311407. The next prime is 133113311561. The reversal of 133113311431 is 134113311331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133113311431 - 2⁹ = 133113310919 is a prime.

It is a super-2 number, since 2×133113311431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133113311396 and 133113311405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133113311731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1078986 + ... + 1196008.

It is an arithmetic number, because the mean of its divisors is an integer number (16715942208).

Almost surely, 2^133113311431 is an apocalyptic number.

133113311431 is a deficient number, since it is larger than the sum of its proper divisors (614226233).

133113311431 is a wasteful number, since it uses less digits than its factorization.

133113311431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122261.

The product of its digits is 972, while the sum is 25.

Adding to 133113311431 its reverse (134113311331), we get a palindrome (267226622762).

The spelling of 133113311431 in words is "one hundred thirty-three billion, one hundred thirteen million, three hundred eleven thousand, four hundred thirty-one".